Rocket Chicken
Source: Trading Card Game. When the Burning Legion invaded Outland, Landro Longshot contributed this design to the war effort. Both the Alliance and Horde passed on production. Mechanical type. Also sold on the black market auction house.
The 
Rocket Chicken is a companion pet obtained from the 'Robotic Homing Chicken' loot card found in March of the Legion TCG booster packs, with a drop rate of approximately 1 in every 181 packs.
Guide awaiting review
Find a Loot Card
The Rocket Chicken comes from the 'Robotic Homing Chicken' loot card found in March of the Legion booster packs, with a rarity of 1 in 181 packs. Booster boxes contain 24 packs and cost around $60 USD, making the average cost of pulling the card through box purchases approximately $453 USD.
Buy the Card Directly
If you'd rather skip opening packs, the loot card can be purchased from sites like eBay, with Buy It Now listings typically ranging from $48 to $55 USD, and around 8 listings available at any given time.
Check the Black Market
Since Mists of Pandaria, the Rocket Chicken has had a chance to appear on the Black Market Auction House for 
15,000 gold, offering an in-game alternative to purchasing the physical loot card.
Tips
Running Rocket Chicken through shallow water causes visible sparks to fly off of it.
